Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com
*
www.ssdi-power.com
ST500A7.5
thru
ST500A270
500 W Transient Voltage
Suppressor
7.5 – 510 VOLTS
DESIGNER’S DATA SHEET
FEATURES:
•
•
•
•
•
Hermetically Sealed in Glass
High Peak Transient Power 500 W
Can Be Used as a 5 W Zener
Available in Axial, Surface Mount, and Ministud
Configurations
TX, TXV, and Space Level Screening Available
2/
Higher Voltages Available
A
9.6 SMS TX
Axial
Part Number / Ordering Information
1/
ST500
│
│
│
└
Screening
2/
__
= Not Screened
│
│
│
TX = TX Level
│
│
│
TXV = TXV Level
│
│
│
S = S Level
│
│
│
│
│
└
Package:
3/
= Axial
│
│
SMS = Square Tab
│
│
V = Isolated Ministud
│
│
C = Ministud
│
│
│
└
Voltage:
9.6 = 9.6V
│
└
Tolerance
A =
±
10%
B=
±
5%
DIM
A
B
C
D
MIN
––
––
0.047”
1.0”
MAX
0.158”
0.185”
0.053”
––
SMS
DIM
A
B
C
D
MIN
0.155"
0.200”
0.018”
0.001”
MAX
0.160”
0.225”
0.027”
––
Maximum Ratings
Peak pulse power dissipation with
a 10/1000
μ
s waveform
Steady State Power Dissipation
Axial Lead : T
L
=25ºC, L=3/8"
SMS & Ministud: T
C
or T
E
= 75 ºC
Operating and Storage Temp.
Maximum Forward Voltage Drop
I
F
= 1.0 Apk, T
A
= 25 ºC, pulsed
Thermal Resistance,
Junction to Lead L=3/8”
Symbol
P
PPM
P
D
T
op
& T
stg
V
F
Ρ
θJL
R
θJE
R
θJC
Value Units
500
5.0
-65 to
+175
1.2
25
8
W
W
ºC
V
ºC/W
ºC/W
Isolated Ministud
Ministud
Thermal Resistance,
Junction to End Cap
Junction to Case
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: T00023D
DOC
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, CA 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com
*
www.ssdi-power.com
ST500A7.5
thru
ST500A270
Typical
Impedance
10% AC
modulation
Z
Z
@ I
ZT
Ohms
0.7
0.8
0.9
1.0
1.1
1.1
1.2
1.2
1.3
1.3
1.5
1.6
1.8
2.5
4.0
5.0
6.0
7.0
10
12
14
18
20
22
25
30
40
45
65
90
100
150
180
210
250
350
450
600
Electrical Characteristics @ 25 ºC
Nominal
Zener
Voltage
V
Z
@ I
ZT
4/
Nom
A
Zener
Test Current
I
ZT
B
mA
175
150
150
125
125
100
100
75
75
65
65
50
50
50
40
40
30
30
35
25
25
20
20
20
20
15
15
12
12
10
10
8.0
8.0
5.0
5.0
5.0
5.0
5.0
Maximum Reverse
Current @ Standoff
Voltage
I
R
@ V
R
μA
3000
2400
100
40
30
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
Standoff
Voltage
V
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
Typical
Temperature
Coefficient
TC @ I
ZT
% / °C
0.07
0.08
0.08
0.09
0.10
0.10
0.10
0.10
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.12
0.12
0.12
0.12
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
0.13
Maximum Clamping
Voltage
10 / 1000
μs
waveform
ICL
Amps
44.2
40.6
37.6
34.0
31.8
29.4
26.4
23.9
21.8
19.5
17.6
16.1
14.8
13.1
11.8
10.8
10.0
9.2
8.2
7.6
7.0
6.3
5.8
5.3
4.8
4.3
3.9
3.6
3.3
3.0
2.7
2,4
2.2
2.0
1.8
1.6
1.5
1.3
Vcl @ ICL
V
11.3
12.3
13.3
14.8
15.7
17.0
18.9
20.9
22.9
25.6
28.4
31.0
33.8
38.1
42.2
46.2
50.1
54.1
60.7
65.5
70.8
78.6
86.5
94.4
103.5
114
126
139
152
167
185
204
224
249
276
305
336
380
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
270
±10%
±5%
±10%
±5%
±10%
±5%
±10%
±5%
±10%
±5%
±10%
±5%
±10%
±5%
±10%
±5%
NOTES:
1 Consult factory for parts ordering information
2 Screening based on MIL-PRF-19500. Screening flows available on request. X-Ray shall be performed in lieu of Precap Inspection – Consult Factory.
3 Consult factory for package outline
4 Pulsed @ 300μs nominal, other pulse widths will provide different results due to self heating
NOTE:
All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: T00023D
DOC
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